Deciding which is better between copper and aluminum wiring depends on what you are trying to accomplish: using strong material or saving money.
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Item # CCA750-01TWRGRD, TOWERGUARD CCA® 2kV (UL) RHH or RHW-2 Copper Clad Aluminum Conductor/90°C Wet or Dry For Cable Tray Use - Sunlight Resistant - For Direct Burial U.S. Patent No. 8,618,688
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